In Croatia, Petrlik families are mainly Czechs (from Daruvar area ), less frequently Croats (also from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Zagreb.
Prevalence
About 30 people with faimily name Petrlik live in Croatia today, in 14 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, four cities and four other places, mostly in Daruvar (<10), Zagreb (<5), Kutina (<5), Dugo Selo (<5), and in Dezanovac in Daruvar area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.